* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.main {
    width: 100%;
    padding: 15px;
    padding-bottom: 0;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    justify-content: space-between;
}

.treebox {
    width: 200px;
    padding: 15px;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, .2);
}

.tablebox {
    width: calc(100% - 200px);
    box-shadow: 1px 1px 3px rgba(0, 0, 0, .2);
    height: 60%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: auto;
}

.title {
    background-color: #f5f5f5;
}

.bottom {
    height: 40%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.ech_title>p::before {
    content: "";
    border: 2px solid #5185ee;
    background-color: #5185ee;
    margin-right: 10px;

}
.bot_box{
    padding: 15px;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, .2);
}
.bot_left{
    width: 78%;
}
.bot_right{
    width: 20%;
}